Move to stable

Author: Nicolas

setup.py

@@ -16,7 +16,7 @@
     packages=setuptools.find_packages(),
     classifiers=[
         'Programming Language :: Python',
-        'Development Status :: 4 - Beta',
+        'Development Status :: 5 - Production/Stable',
         'Natural Language :: English',
         'Environment :: Console',
         'Intended Audience :: Developers',